How far is Erie, CO from Boulder, CO?

The driving distance from Erie, CO to Boulder, CO is about 14.7 miles (23.7 km), with a travel time of about 00h 26m by car.

  • The straight-line flight distance is about 11.9 miles (19.2 km).
  • For a round trip, plan for roughly 00h 53m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM MDT.
Trip Tools

Reverse, save, or send this route

This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
14.7 mi
00h 26m
Flight
11.92 mi
19.18 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Erie.

Flight Distance

Direct air line
11.92 mi
Kilometers
19.18 km
Flight Time
00h 01m

Driving Distance

Road route
14.7 mi
Kilometers
23.66 km
Drive Time
00h 26m

Gas Cost Calculator

Leave and Arrive Planner

Pick a departure time to see your estimated arrival and same-day return window.

Drive time stays fixed at 00h 26m.

Arrival Snapshot
Arrive in Boulder
Sat, Apr 18, 11:36 PM MDT
Return by in Erie
Sun, Apr 19, 12:02 AM MDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Erie
2026-04-18T23:09
Arrive Boulder
Sat, Apr 18, 11:36 PM MDT
Route Timing
00h 26m
One way by road
Best Departure Window
7:00 AM to 7:00 PM MDT
Leave when it suits your day
Arrive between
7:27 AM to 7:27 PM MDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:36 PM MDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Erie
10:00 PM MDT
Flexible departure

You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Louisville
CO

City in Colorado

From Erie
7.1 mi
00h 13m
To Boulder
7.6 mi
00h 13m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
55°F
Saturday

Slight Chance Snow Showers

Starts
Sat, Apr 18 6:00 AM MDT
Wind
6 to 10 mph NW
Destination
51°F
Saturday

Slight Chance Snow Showers

Starts
Sat, Apr 18 6:00 AM MDT
Wind
8 mph WNW

Driving Route Map

The map below follows the saved road route between Erie and Boulder.

Turn-by-Turn Driving Directions

Step-by-step road directions between Erie and Boulder.

  1. 1

    Start on Wells Street

    138 m · 27 sec · Wells Street

  2. 2

    Turn left onto High Street

    141 m · 22 sec · High Street

  3. 3

    Turn right onto Moffat Street

    1090 ft · 53 sec · Moffat Street

  4. 4

    At the end of the road, turn left onto Northeast County Line Road;County Road 1

    1.4 km · 2 min · Northeast County Line Road;County Road 1

  5. 5

    Turn right onto Erie Parkway

    1 mi · 2 min · Erie Parkway

  6. 6

    Enter the roundabout and take exit 2 toward Erie Parkway

    35 m · 5 sec · Erie Parkway

  7. 7

    Exit the roundabout onto Erie Parkway

    1.2 mi · 2 min · Erie Parkway

  8. 8

    Continue on Isabelle Road

    1395 ft · 40 sec · Isabelle Road

  9. 9

    Turn left

    1.5 mi · 2 min

  10. 10

    Turn right onto Arapahoe Road

    5.5 mi · 9 min · Arapahoe Road

  11. 11

    Continue on Arapahoe Avenue

    3.4 mi · 7 min · Arapahoe Avenue

  12. 12

    Turn right onto 19th Street

    44 m · 11 sec · 19th Street

  13. 13

    Turn left

    27 m · 5 sec

  14. 14

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Erie and Boulder.

OSRM road route
Drive Character

Turn-heavy local drive

The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.

Directions
14 steps
10 turns on the saved route
Ramps & Exits
2
0 merges, 2 ramps or exits
Navigation Density
95.2 / 100 mi
Decision points by distance
Main Roads
Arapahoe Road
5.5 mi · 37%
Arapahoe Avenue
3.38 mi · 23%
Erie Parkway
2.27 mi · 15%
Northeast County Line Road
0.42 mi · 3%
County Road 1
0.42 mi · 3%
Isabelle Road
0.26 mi · 2%
Longest Stretch

Arapahoe Road

Turn right onto Arapahoe Road

5.5 mi · 00h 09m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A short regional drive

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

Drive Time
00h 26m
Quick drive
Same-Day Return
00h 54m
Round-trip wheel time
Road vs Air
+2.8 mi
11.9 mi direct line
Halfway Stop
Louisville
00h 13m from Erie
Leave By
7:36 PM MDT
Flexible departure
Weather Watch

Slight Chance Snow Showers leaving Erie and Slight Chance Snow Showers near Boulder.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Erie to Boulder?

The road trip is about 14.7 miles (23.7 km) and usually takes 00h 26m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

What is the halfway point on this route?

Louisville is a useful midpoint, sitting about 7.1 miles from Erie and 7.6 miles from Boulder.

How much longer is the road route than the straight-line distance?

The direct path is about 11.9 miles (19.2 km), while the road route adds roughly 2.8 extra miles because roads do not follow the straight air line.

When is the best time to leave for this route?

A good departure window is usually 7:00 AM to 7:00 PM MDT. If you want a more comfortable same-day return, try to leave by 7:36 PM MDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $1.92 one way or $3.85 round trip. Estimated CO2 is about 4.6 kg one way.

What should you check before leaving?

Before you leave, expect Slight Chance Snow Showers around Erie and Slight Chance Snow Showers near Boulder.

Stop Ideas Near Louisville

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Louisville and the surrounding midpoint area.
Municipal Court Park
Scenic stop 13.7 mi away

Municipal Court Park

Westminster , CO
3025 W 76th Ave, Westminster, CO 80030
Rating 3.8/5 94 reviews Park
Broomfield City Council
Meeting point 7.5 mi away

Broomfield City Council

Broomfield , CO
1 Descombes Dr, Broomfield, CO 80020
Rating 3.9/5 63 reviews City government office
Lafayette City Hall
Nearby stop 3.1 mi away

Lafayette City Hall

Lafayette , CO
1290 S Public Rd, Lafayette, CO 80026
Rating 5.0/5 2 reviews City administration
Old Town Hall
Scenic stop 11.9 mi away

Old Town Hall

Frederick , CO
105 Fifth St, Frederick, CO 80530
Rating 4.0/5 2 reviews Historical landmark,History museum

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Louisville.

BUS

Boulder, Colorado

16 mi away
30th & Diagonal Highway
BUS

Longmont, Colorado

21 mi away
623 Main St.
RAIL

Union Station

27 mi away
1701 Wynkoop Street
BUS

Denver (Bus Station), Colorado

28 mi away
1055 19th Street

Flight Path Map

This map shows the direct air route between Erie and Boulder. Straight-line distance: 11.92 mi (19.18 km).

Erie

#1 Erie

Town in Boulder County, Colorado, USA

Population30,318
Coordinates40.0502600, -105.0499800
Altitude1532
CountryUnited States
Boulder

#2 Boulder

The most populous city in Boulder County, Colorado.

Population107,645
Coordinates40.0149900, -105.2705500
Altitude1624
CountryUnited States
Start: Wells Street (-105.049979, 40.050229)
End: (-105.27055, 40.014996)

Estimated Travel Time

Distance: 24 km by road

SpeedTime
30 mph (48.3 km/h)00h 29m
40 mph (64.37 km/h)00h 22m
50 mph (80.47 km/h)00h 17m
60 mph (96.56 km/h)00h 14m
70 mph (112.65 km/h)00h 12m
80 mph (129 km/h)00h 11m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.52 gal
1.96 L · about $1.92
Round trip
$3.85
1.04 gal · 3.92 L
Estimated CO2
4.6 kg one way
Round trip: 9.2 kg / 20 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.70 $1.92 $3.85
Mid-grade $4.08 $2.12 $4.25
Premium $4.39 $2.28 $4.57
Diesel $4.74 $2.46 $4.93

Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.

Prices in Colorado · Apr 19, 2026

There is no time difference between Erie and Boulder. The current time is 23:09:07.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.